Home / 7,928,630,132.36-10,938,412,986.36-4,539,728,415.56

Finding the Fourth Proportional to 7,928,630,132.36, 10,938,412,986.36 and 4,539,728,415.56

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Solution

The fourth proportional to 7,928,630,132.36, 10,938,412,986.36 and 4,539,728,415.56 is: 6,263,052,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928,630,132.36 : 10,938,412,986.36 = 4,539,728,415.56 : x
  2. Step 2: Convert to fraction form
    7,928,630,132.36/10,938,412,986.36 = 4,539,728,415.56/x
  3. Step 3: Cross multiply
    7,928,630,132.36x = 10,938,412,986.36 × 4,539,728,415.56
  4. Step 4: Simplify right side
    7,928,630,132.36x = 49,657,424,255,309,021,184
  5. Step 5: Solve for x
    x = 49,657,424,255,309,021,184/7,928,630,132.36
  6. Step 6: Final answer
    x = 6,263,052,182.58

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Double scale
Find fourth proportional to 7,928,630,133.36, 10,938,412,987.74 and 4,539,728,416.56
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.